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7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-2

  • question_answer
              Subtract \[(5\,{{a}^{2}}b+6\,{{a}^{2}}b+4)\] from \[(7\,{{a}^{2}}b-6\,{{a}^{2}}{{b}^{2}}+5)\].

    A)  \[-\,2\,{{a}^{2}}b+12\,{{a}^{2}}{{b}^{2}}-1\]

    B)  \[2\,{{a}^{2}}b-12\,{{a}^{2}}{{b}^{2}}+1\]

    C)  \[12\,{{a}^{2}}b-12\,{{a}^{2}}{{b}^{2}}+9\]

    D)  \[-\,12\,{{a}^{2}}b+12\,{{a}^{2}}{{b}^{2}}-9\]

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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